frostfs-node/pkg/services/object/get/get.go

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package getsvc
import (
"context"
objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
"go.uber.org/zap"
)
// Get serves a request to get an object by address, and returns Streamer instance.
func (s *Service) Get(ctx context.Context, prm Prm) error {
return s.get(ctx, prm).err
}
func (s *Service) get(ctx context.Context, prm Prm) statusError {
exec := &execCtx{
svc: s,
ctx: ctx,
prm: prm,
infoSplit: objectSDK.NewSplitInfo(),
}
exec.setLogger(s.log)
exec.execute()
return exec.statusError
}
func (exec *execCtx) execute() {
exec.log.Debug("serving request...")
// perform local operation
exec.executeLocal()
exec.analyzeStatus(true)
}
func (exec *execCtx) analyzeStatus(execCnr bool) {
// analyze local result
switch exec.status {
case statusOK:
exec.log.Debug("operation finished successfully")
case statusINHUMED:
exec.log.Debug("requested object was marked as removed")
case statusVIRTUAL:
exec.log.Debug("requested object is virtual")
exec.assemble()
default:
exec.log.Debug("operation finished with error",
zap.String("error", exec.err.Error()),
)
if execCnr {
exec.executeOnContainer()
exec.analyzeStatus(false)
}
}
}